Instantly
Instantly is an automated cold email outreach platform that helps you scale your lead generation through unlimited email accounts, automated warmups, and a searchable B2B contact database.
Mailshake
Mailshake is a sales engagement software that helps you automate personalized cold email outreach, track engagement, and manage lead follow-ups to scale your outbound sales and book more meetings.
Quick Comparison
| Feature | Instantly | Mailshake |
|---|---|---|
| Website | instantly.ai | mailshake.com |
| Pricing Model | Subscription | Subscription |
| Starting Price | $37/month | $29/month |
| FREE Trial | ✘ No free trial | ✘ No free trial |
| Free Plan | ✘ No free plan | ✘ No free plan |
| Product Demo | ✓ Request demo here | ✓ Request demo here |
| Deployment | ||
| Integrations | ||
| Target Users | ||
| Target Industries | ||
| Customer Count | 0 | 0 |
| Founded Year | 2021 | 2015 |
| Headquarters | New York, USA | Austin, USA |
Overview
Instantly
Instantly helps you scale your cold email outreach without worrying about deliverability or account limits. Instead of paying per email address, you can connect unlimited sender accounts to a single subscription, allowing you to distribute your volume and keep your primary domain safe. You can automate the entire process from lead sourcing to personalized sequences and follow-ups.
The platform solves the common headache of emails landing in spam by providing automated account warmup and smart deliverability features. You can manage all your replies in a centralized Unibox, ensuring you never miss a lead. Whether you are a solo founder or a large lead generation agency, the system provides the infrastructure to send thousands of personalized emails daily while maintaining a human touch.
Mailshake
Mailshake is a sales engagement platform designed to help you automate your outbound outreach at scale. You can send personalized cold emails, monitor opens and clicks, and set up automated follow-up sequences that stop once a lead replies. It simplifies the process of managing high-volume prospecting while maintaining a personal touch that keeps your emails out of the spam folder.
The platform integrates directly with your existing Gmail, Outlook, or SMTP email accounts to ensure high deliverability. You can manage your entire sales pipeline from a single dashboard, making it an ideal solution for sales development reps, founders, and agencies who need to generate more leads without spending hours on manual manual follow-ups.
Overview
Instantly Features
- Unlimited Email Accounts Connect as many sender accounts as you need without paying extra per seat so you can scale your volume safely.
- Automated Email Warmup Improve your sender reputation automatically by joining a network of real accounts that interact with your emails to prevent spam.
- B2B Lead Finder Access a database of over 160 million verified contacts to find your ideal customers and add them directly to your campaigns.
- Centralized Unibox Manage every reply from every connected email account in one single dashboard so you can respond to leads faster.
- Campaign Personalization Use dynamic variables and AI-driven attributes to make every automated email feel like a personal message written just for the recipient.
- Advanced Analytics Track your open rates, click rates, and reply rates across all campaigns to see exactly what is driving your sales.
Mailshake Features
- Automated Email Sequences. Schedule personalized email sequences and automated follow-ups that trigger based on your prospect's behavior or time intervals.
- Mailshield Cleaning. Verify your email lists automatically to reduce bounce rates and protect your sender reputation before you hit send.
- Lead Driver. Manage all your lead interactions in one place and track which prospects are most engaged with your content.
- Personalization Tags. Use powerful mail merge features to insert custom text, links, and images for every recipient in your campaign.
- A/B Testing. Test different subject lines and email body copy to see which versions generate the most replies and conversions.
- Native Phone Dialer. Make cold calls directly from your browser and log your call outcomes alongside your email activity for a multi-channel approach.
Pricing Comparison
Instantly Pricing
- Unlimited sending accounts
- Unlimited email warmup
- Up to 5,000 emails per month
- Up to 1,000 active leads
- Advanced multi-step campaigns
- Everything in Growth, plus:
- Up to 100,000 emails per month
- Up to 25,000 active leads
- Premium support
- Advanced sequence options
- Unibox for centralized replies
Mailshake Pricing
- Connect 1 email account
- 1,500 emails per month
- Email personalization
- Automated follow-ups
- AI Email Writer
- Gmail/Outlook/SMTP integrations
- Everything in Starter, plus:
- Connect 1 email account
- 5,000 emails per month
- Native phone dialer
- Multi-channel sequences
- Lead Driver dashboard
- Priority support
Pros & Cons
Instantly
Pros
- Unlimited email accounts provide massive cost savings
- Automated warmup significantly improves inbox placement rates
- Centralized Unibox makes managing multiple accounts easy
- Interface is clean and very easy to navigate
- Lead finder database is integrated directly into the workflow
Cons
- Lead database credits can be expensive to replenish
- Learning curve for setting up custom tracking domains
- Customer support response times can vary during peaks
Mailshake
Pros
- Extremely intuitive interface that is easy to navigate
- Excellent deliverability rates with built-in warm-up tools
- Simple setup process for Gmail and Outlook users
- Effective automated follow-ups that increase reply rates
Cons
- No free trial available to test features
- Daily sending limits can be restrictive for some
- Limited reporting depth on the entry-level tier